Combined handset and announcement and siren signal generator and control unit



FIG. 1 is a front perspective view of a combined handset and electronic announcement and siren generator and control unit incorporating our new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a back elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a left side elevational view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a top plan view thereof. 

The ornamental design for a combined handset and announcement and siren signal generator and control unit, as shown and described. 